60775609 has 2 divisors, whose sum is σ = 60775610. Its totient is φ = 60775608.

The previous prime is 60775607. The next prime is 60775643. The reversal of 60775609 is 90657706.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60217600 + 558009 = 7760^2 + 747^2 .

It is a cyclic number.

It is not a de Polignac number, because 60775609 - 2¹ = 60775607 is a prime.

Together with 60775607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (60775607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30387804 + 30387805.

It is an arithmetic number, because the mean of its divisors is an integer number (30387805).

Almost surely, 2^60775609 is an apocalyptic number.

It is an amenable number.

60775609 is a deficient number, since it is larger than the sum of its proper divisors (1).

60775609 is an equidigital number, since it uses as much as digits as its factorization.

60775609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 60775609 is about 7795.8712790810. The cubic root of 60775609 is about 393.1664396975.

The spelling of 60775609 in words is "sixty million, seven hundred seventy-five thousand, six hundred nine".